http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Breeding Biology of the Gray Gull, Larus modestus
MILLIE, William R.: -- Breeding Biology of the Gray Gull,Larus -- modestus.1974 -- s.HOWELL, Thomas R. -- [Ersatz]